Temperature-insensitive fiber-Bragg-grating-based vibration sensor

Ka On Lee; Kin Seng Chiang; Zhihao Chen

doi:10.1117/1.1412622

1 November 2001 Temperature-insensitive fiber-Bragg-grating-based vibration sensor

Ka On Lee, Kin Seng Chiang, Zhihao Chen

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Optical Engineering, Vol. 40, Issue 11, (November 2001). https://doi.org/10.1117/1.1412622

We propose a simple optical fiber sensor for the measurement of vibration. The sensor consists of two fiber Bragg gratings that have partially overlapped reflection spectra and are mounted on the opposite sides of a flexible beam. With this setting, the light intensity reflected by the gratings is modulated in accord with the vibration of the beam and adverse thermal effects can be largely eliminated. Experimental results are presented to demonstrate the feasibility of the sensor.

©(2001) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Ka On Lee, Kin Seng Chiang, and Zhihao Chen "Temperature-insensitive fiber-Bragg-grating-based vibration sensor," Optical Engineering 40(11), (1 November 2001). https://doi.org/10.1117/1.1412622

Published: 1 November 2001

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